The phrase "chug-a-lug" refers to the act of consuming a large amount of liquid quickly, often in one gulp. There are several synonyms for this term including guzzle, down, swig, slug, quaff, and pound. Each of these words has connotations of drinking quickly and with a sense of urgency. Other related terms might include "bottoms up" or "slamming" which are often used in social situations when people are drinking together. Regardless of the word choice, the act of chugging a drink is often associated with a sense of fun and revelry, often in the context of parties or celebrations.